MSVC Builds: Improve Build Speed and Debugging Experience
MSVC Builds: Improve Build Speed and Debugging Experience

Use multiprocessor compilation, which can cut down build times by quite a
bit, and use /d2Zi+ to put more useful info into the .pdb's in release
builds.

GNOME/pangomm,GNOME/pangomm,GNOME/pangomm,GNOME/pangomm